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This textbook could be useful as a workbook, because it has a lot of problems with the answers in the back. If you want some practice and need to know if you are getting the right answers, then this book might be a good choice.
Unfortunately, the instructional portion is quite poor. Space is wasted providing the biographies of different mathematicians. Additionally, the "examples" rarely give insight into how to actually solve the problems.
If you are using this textbook, I recommend doing an Internet search to learn how to actually solve the exercises. There are some good web resources out there that will explain what you need to know to answer the questions in this book.
This is a truly terrible introduction to discrete mathematics. Its unclear explanations, overly didactic examples, and complete lack of clarification and organization make for a $150 brick. My discrete mathematics teacher didn't even use it, he was simply obligated by contract to tell us to buy it. I learned far more by downloading syllabi from other universities, watching YouTube lectures on discrete mathematics, and going to class. DO NOT GET THIS BOOK!
I'm really disappointed in the publisher for not providing the student online content as promised. The book states "The Student site contains a wealth of resources available for student use, including the following, tied into the text wherever the special icons displayed below are found in the text: Extra examples, Demo, Assessment, Links." However, when you go to the Student Online Content site, all the chapter links return a "coming soon" message. This doesn't help me, as the semester has already begun. Hopefully the publisher or author will read this and fill the content site before the semester ends!
The book is written in a complicated and didactic language that successfully translates an abstract math subject into boring and confusing nonsense. The author seems want to use this book to pretentiously boast his profound understanding about this subject rather than demonstrating it in an easy way. Can't really understand the definitions and examples unless you read several times. Problems after the chapters are totally unrelated to the given examples. And the layout are just messy. All examples, solutions, illustrations are totally blended together that cannot be distinguished from one and another, let alone to know their importance. Confusing, obscure, awful, extremely expensive, bulky. Have already bought another book(by Susanna) to study instead of using this one. I have to say Susanna's book is way better than this one. I am very disappointed by McGraw Hill, the author and my college. I don't know how can this book be published, they are too irresponsible. It should never be used as a textbook, it is not an introductory book for students. WORST TEXTBOOK EVER. DON'T RECOMMEND IT TO OTHERS. DON'T WASTE YOUR TIME AND MONEY.
This was the textbook I needed to buy for my discrete mathematics course at my college. I disregarded all of these negative reviews about this textbook because I figured "How bad could it be?". Boy was I wrong.
This is quite possibly the WORST math textbook I have ever gone through. There is usually about 10 pages worth of text and examples for each section of each chapter within the book. Now when I say that those 10 pages will rarely actually teach you anything, I really mean it. You will need the help of the internet, fellow students, professors, and any other help you can find to understand what is being taught here because the textbook will not help you.
Rosen tries to explain everything the hardest way possible. Things that are simple, he makes them sound like rocket science. You can imagine what that type of teaching does to the hard stuff within discrete math. It is almost as if he wrote it to make himself look good to his peers, and not to teach people the clearest and simplest way to do this type of math.
Absolutely atrocious. Stay far away from this textbook unless you are confident that you have a good professor that doesn't force things to sound/be complicated (like this book does).
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This textbook is one of those that you don't buy unless your professor requires that you do so.
The book does explain discrete math to some degree. It does take you through truth tables, proof by contradiction, set theory, and so forth. I found the examples to be generally limited (and weak) and the back of the book avoided any type of solution.. only answers.
I remember struggling to understand his explanations of uncountable sets, and his explanations of modular mathematics. In fact, the section on mod. math bothered me the most. I really wish the author's writing could have been a bit more accessible/meaningful.
Besides those issues, the book isn't completely worthless. If you read through it, you will learn quite a bit. I found that I could have learned much more with other books. Furthermore, the price for a new copy is downright ridiculous; I don't even think I'd spend $50 on such a textbook (yes, even if new) when I could get much better and much more effective textbooks elsewhere.
I wanted to give this book 3 stars out of 5, but seeing that it's the exact same material (but maybe worse in some areas) as the 6th edition, I will go with the 2. Truth be told, you can find a much better discrete math book for 20% of this book's cost.
Hope this helps... please feel free to ask any questions.